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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A proton beam passes without deviation through a region of space where there are uniform transverse mutually perpendicular electric and magnetic fields with E = 120 kV/m and B = 50 mT. Then the beam strikes a grounded target. Find the force ( in x 10^-5 N ) imparted by the beam on the target if the beam current is equal to I = 0.80 A.

A proton beam passes without deviation through a region of space where there are uniform transverse mutually perpendicular electric and magnetic fields with E = 120 kV/m and B = 50 mT. Then the beam strikes a grounded target. Find the force ( in x 10^-5 N ) imparted by the beam on the target if the beam current is equal to I = 0.80 A.

A charged particle of mass m = 1 mg and charge q = 1(μ)C enter along AB at point A in a uniform magnetic field B = 1.2 T existing in the rectangular region of size a×b where a = 4 m and b = 3 m. The particle leaves the region exactly at corner point C. What is the speed v(∈ms−1) of the particle?